Denon UCD-250 - Page 46

D-250 8
MATIC DIAGRAM CD PLAYER SECTION
6
ig
8
dq
10
11
BGNAL
LINE
muna
+
5Y
LINE
(SWITCRED)
R
R6O7
200k
IB
LLINE
ween
oem
—
5
LINE
(SWITCHED)
cana
VR6O!
R728
613
R62!
R637
B
LINE
sesesesese
+5V
LINE
(UNSWITCHED}
aie
~3@
rees
ory
Wek
Reis
OS
Ic60l
SMS840CSOP
SIG. OUT
Boe
c623 J [+ cé6i6
1/501 0.01
O
PCB.SCREW
GND
ra, yKeol |
CL! |? RX_, B
; yy Laas TX
-
604
are
SYSTEM
500/10 A CONT. JACK
Ps isssassasssass:snsQusbsauuasuausiarsu isis
TX
ll
JK602
PCB.SCREW
GND
Pee or ee oe See Pe ee An AE Se ee eee
————— is
Sere fF
R684 2.2k }—4
==
1p
mes Ok
| [reso 1Ok
ou piri
I+ nes
i 5V STOP : OV
SUL sy
PLAY
STOP : OV
Ic681
CXD2500AG
ie
=m:
| =
i
19@
aS5
a8 8
geneus
+5V
DOCS
06-14 4us
0.6~1.8us
Hat pes
+5V
i ov
at
0.6~2.2us
Ic6s2 '
pPO755I7GF
Snalil|
wok
Jeet)
i]
FELT
E
TTT)
|
wenn
22)|)~)hChUT
EL)
ULC
RO
BOS
B8
SZ
aazaaag
A CB655
(VH)
[IcNnes!
F
z
Zz
O
O
z
alg
IC655
»_¢
TRE5!
ICP-NIS
AC230V
50Hz
a
~
ICP-NI5
-5V
2s0i9'5
}
e
(EUROPE)
3
sa
AC240V
50Hz
4
Be
R65I
A
wK
;
om
4.7kK(1/4)
He}
POWER
Pt
|
TRANS
0.0! 0.01
TR653 2S0468
56
oC!
a
CHASSIS
R655 G
Y)
oUl/4)
\
)
i?
GND.
><] P
(ee)
Betes
mil
Lov
sce
PS CH
z 1/50 |<
Ror)
wig 1U-— 2478A-3
AeseB~2
CHO)
POWER
UNIT
3
CAUTION:
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the NOTES
leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 240 Kohms, the unit is ALL RESISTANCE VALUES IN OHM K=1,000 OHM M=1,000,000 OHM
defective.
ALL
CAPACITANCE
VALUES
IN
MICRO
FARAD
P=MICRO-MICRO
FARAD
H
WARNING EACH VOLTAGE AND CURRENT ARE MEASURED AT NO SIGNAL INPUT CONDITION.
DO
NOT
return
the
unit
to
the
customer
until
the
problem
is
located
and
corrected.
CIRCUIT
AND
PARTS
ARE
SUBJECT
TO
CHANGE
WITHOUT
PRIOR
NOTICE.
77